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Table 1 Mean K values of different keratometric methods and comparison between those K values and TNP

From: Keratometric measurements and IOL calculations in pseudophakic post-DSAEK patients

  

Difference from TNP

Type of K

n

Mean(D) ± SD

Range

Mean (D) ± SD

95% CI of difference

P value

KMaster

20

44.18 ± 1.50

42.28 to 46.95

2.13 ± 0.61

1.85 to 2.41

< 0.001

SimK

20

44.01 ± 1.71

41.10 to 47.70

1.96 ± 0.33

1.81 to 2.11

< 0.001

EKR at 4.0 mm

20

43.59 ± 1.72

40.90 to 47.50

1.55 ± 0.27

1.42 to 1.67

< 0.001

TNP

20

42.05 ± 1.77

39.40 to 46.30

–

–

–

  1. KMaster conventional K via IOLMaster, SimK simulated keratometer reading, EKR equivalent K reading, TNP true net power
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BMC Ophthalmology

ISSN: 1471-2415

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